<template>
  <div class="header">
    <!-- 折叠按钮 -->
    <div class="collapse-btn" @click="collapseChage">
      <i v-if="!collapse" class="el-icon-s-fold"></i>
      <i v-else class="el-icon-s-unfold"></i>
    </div>
    <div class="logo">个人运动平台</div>
    <div class="header-right">
      <div class="header-user-con">
        <div class="user-avator">
          <img src="../assets/img/img.jpg" />
        </div>
        <!-- 用户名下拉菜单 -->
        <el-dropdown class="user-name" trigger="click" @command="handleCommand">
                    <span class="el-dropdown-link">
                        {{username}}
                        <i class="el-icon-caret-bottom"></i>
                    </span>
          <template #dropdown>
            <el-dropdown-menu>
              <a href="h#" target="_blank">
                <el-dropdown-item>项目仓库</el-dropdown-item>
              </a>
              <el-dropdown-item divided command="loginout">退出登录</el-dropdown-item>
            </el-dropdown-menu>
          </template>
        </el-dropdown>
      </div>
    </div>
  </div>
</template>
<script>
  export default {
    data() {
      return {
        fullscreen: false,
        name: "linxin",
        message: 2
      };
    },
    computed: {
      username() {
        let username = localStorage.getItem("ms_username");
        return username ? username : this.name;
      },
      collapse() {
        return this.$store.state.collapse;
      }
    },
    methods: {
      // 用户名下拉菜单选择事件
      handleCommand(command) {
        if (command == "loginout") {
          // localStorage.removeItem("ms_username");
          window.sessionStorage.clear();//清除session
          this.$router.push("/login");
        }
      },
      collapseChage() {
        this.$store.commit("hadndleCollapse", !this.collapse);
      }
    },
    mounted() {
      if (document.body.clientWidth < 1500) {
        this.collapseChage();
      }
    }
  };
</script>
<style scoped>
  .header {
    position: relative;
    box-sizing: border-box;
    width: 100%;
    height: 70px;
    font-size: 22px;
    color: #fff;
  }
  .collapse-btn {
    float: left;
    padding: 0 21px;
    cursor: pointer;
    line-height: 70px;
  }
  .header .logo {
    float: left;
    width: 250px;
    line-height: 70px;
  }
  .header-right {
    float: right;
    padding-right: 50px;
  }
  .header-user-con {
    display: flex;
    height: 70px;
    align-items: center;
  }
  .btn-fullscreen {
    transform: rotate(45deg);
    margin-right: 5px;
    font-size: 24px;
  }
  .btn-bell,
  .btn-fullscreen {
    position: relative;
    width: 30px;
    height: 30px;
    text-align: center;
    border-radius: 15px;
    cursor: pointer;
  }
  .btn-bell-badge {
    position: absolute;
    right: 0;
    top: -2px;
    width: 8px;
    height: 8px;
    border-radius: 4px;
    background: #f56c6c;
    color: #fff;
  }
  .btn-bell .el-icon-bell {
    color: #fff;
  }
  .user-name {
    margin-left: 10px;
  }
  .user-avator {
    margin-left: 20px;
  }
  .user-avator img {
    display: block;
    width: 40px;
    height: 40px;
    border-radius: 50%;
  }
  .el-dropdown-link {
    color: #fff;
    cursor: pointer;
  }
  .el-dropdown-menu__item {
    text-align: center;
  }
</style>
